Staedtler Noris Club Marker Set - Fine Tip (20 Pack, Assorted Colors) These fabulous markers are perfect for kids with their water-based food coloring ink They are non-toxic and actually wash out of most fabrics Sturdy, pressure resistant tip allows exuberant youngsters to use without the worry of ruination of the tip This special ink can be left uncapped for days without drying up The ventilated cap actually reduces the danger of choking if swallowed